The interaction of water with DNA - a combined Inelastic Neutron Scattering and infrared spectroscopic study.

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Abstract

Interaction of water with DNA was studied by combining inelastic neutron scattering expts. at Rutherford Lab. and IR spectroscopic measurements. Spectra of water interacting with DNA measured on TOSCA at low hydrations resemble the spectrum of high d. amorphous ice shifting gradually towards ice Ih with increasing water content. The same holds for spectra in the high energy transfer region obsd. on HET where bands due the OH stretchings of adsorbed water appear. IR spectra of hydrated DNA measured at room temp. in the OH stretchings region consist of two components of which the low frequency one does not shift significantly with increasing hydration. The high frequency component shifts to higher wavenumbers and its intensity rises significantly with increasing hydration. [on SciFinder (R)]

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Hydration (interaction of water with DNA, a combined Inelastic Neutron Scattering and IR spectroscopic study) DNA Role: BSU (Biological study, unclassified), PEP (Physical, engineering or chemical process), PRP (Properties), PYP (Physical process), BIOL (Biological study), PROC (Process) (interaction of water with DNA, a combined Inelastic Neutron Scattering and IR spectroscopic study)

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